"We are pleased to be recognized in Deloitte’s 2012 Technology Fast 500
for our tremendous growth over the past several years. The effort our
team has put in to making Five9 the market leader of pure-cloud contact
center solutions has paid off. Our 1,500 clients have been positively
impacted by the scalability and flexibility of our solutions, all of
which has helped us grow to where we are today."-- Mike
Burkland, president and CEO, Five9

About Deloitte’s 2012 Technology Fast 500™Technology Fast
500, conducted by Deloitte & Touche LLP, provides a ranking of the
fastest growing technology, media, telecommunications, life sciences and
clean technology companies – both public and private - in North America.
Technology Fast 500 award winners are selected based on percentage
fiscal year revenue growth from 2007 to 2011.

In order to be eligible for Technology Fast 500 recognition, companies
must own proprietary intellectual property or technology that is sold to
customers in products that contribute to a majority of the company's
operating revenues. Companies must have base-year operating revenues of
at least $50,000 USD or CD, and current-year operating revenues of at
least $5 million USD or CD. Additionally, companies must be in business
for a minimum of five years, and be headquartered within North America.

About Five9Five9
is the largest pure cloud contact
center software provider with more than 1,600 customers and
facilitating more than 3 billion calls per year. The Five9 Virtual
Contact Center and Predictive
Dialer are revolutionizing the contact center industry, bringing
the power of the cloud to customer service and sales organizations
around the globe. The company gives enterprises of all sizes access to
sophisticated and innovative contact center solutions quickly, at a cost
of ownership far lower than traditional premise-based solutions. For
more information on Five9, please visit www.five9.com
or call 1-800-553-8159.